IS - 1st Gen (2001-2005) Discussion about the IS models up to the 2005 model

Lsd is300??? Help

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Old 07-21-10, 10:18 PM
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slidingIS
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Default Lsd is300??? Help

Sorry if this has been asked already but I need an LSD for my IS300 now and im not clear on what works and doesnt work. I dont wanna pay alot for a kaaz so i would like to know if theres a cheaper route. I have heard TT MKIV supra LSDs work but im not sure. and apparently its not easy to find a factory IS300 LSD so any help/advice would be appreciated
Old 07-21-10, 10:45 PM
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03LexIS300
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Originally Posted by slidingIS
Sorry if this has been asked already but I need an LSD for my IS300 now and im not clear on what works and doesnt work. I dont wanna pay alot for a kaaz so i would like to know if theres a cheaper route. I have heard TT MKIV supra LSDs work but im not sure. and apparently its not easy to find a factory IS300 LSD so any help/advice would be appreciated
if i am not mistaken most 02's and up are lsd. i am not sure if both auto and manual are lsd though, i know my 03 5 speed is lsd. maybe only 5 speeds are lsd, not sure. but i always thought most 02 and up were lsd. i have a rear end and 2 axles from my old 04 is300, it was auto. i let a former friend drive it and he totaled it, so i am parting it out. i will do some research and see if the 04 rear end is lsd. but if you want it make me an offer. im in harrisonburg, virginia
Old 07-21-10, 10:57 PM
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03LexIS300
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anyone know if there are some kind of code or marking on the rear end that i can look and see if it is lsd?
Old 07-22-10, 03:31 PM
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slidingIS
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just spin one of the ears coming off either the left or right side, if the other ear spins the same direction that the one you are spinning, then it is a LSD. if it spins the opposite way then its an open. If it is an LSD i would be very interested
Old 07-22-10, 09:25 PM
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03LexIS300
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Originally Posted by slidingIS
just spin one of the ears coming off either the left or right side, if the other ear spins the same direction that the one you are spinning, then it is a LSD. if it spins the opposite way then its an open. If it is an LSD i would be very interested
alright when i head to work in the morning i will test it, it is at my shop and i will let you know the results but i am pretty sure it is lsd.
Old 07-22-10, 09:47 PM
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slidingIS
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alright man just let me know something
Old 07-22-10, 09:56 PM
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03LexIS300
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alright i will man
Old 07-26-10, 04:26 PM
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slidingIS
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well any news my friend?
Old 07-27-10, 08:13 AM
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DonCorleone
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To say most IS300s have LSD is incorrect. LSD's were avail on 01 models and for 02+ both auto and manual versions had LSD options. There's a way to figure it out by reading the VIN. I have a thread over on my.is, I can't link cus I'm at work and I don't have it at the top of my head.
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Old 07-27-10, 05:24 PM
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Originally Posted by DonCorleone
How to tell if my IS300 has LSD?
Look at the sticker on your driver door sill/jamb, look for the area that reads "A/TM"
You'll see numbers such as B02A, B02B, B02C
A=no LSD
B,C = LSD
If you are still unsure, call 1800 25 LEXUS and ask them to look up your VIN and they can tell you what options it came equipped it from the factory.

If you bought your car second hand, there is a possibility the owner of a non-LSD IS300 swapped in a factory LSD, if this is not disclosed, it makes things a bit more challenging.
Here are pics and info on how to distinguish the two by looking at the gears;
http://my.is/forums/showthread.php?p...68#post3637468

The methods of doing a burn out and checking if there are one or two tire marks / jacking up the car and spinning the wheels are somewhat debated and I am unsure if this is a valid way of determining if your car has lsd or not.

Info on how to perform a swap; http://my.is/forums/4278310-post10.html
http://my.is/forums/f87/do-i-have-ls...k-more-300932/

My IS300 has the code B01B = LSD
Old 07-27-10, 07:08 PM
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03LexIS300
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Originally Posted by slidingIS
well any news my friend?
sorry ive been so busy, but i spun one of the ears today and the other side went the opposite ditection, so no lsd. sorry
Old 07-27-10, 07:18 PM
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rvalero
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You should also look at this thread. There is a sticker on the diff that lets you know if it has an LSD. You can also determine if it was from an A/T or M/T.

http://my.is/forums/f87/official-oem...inside-380603/
Old 07-28-10, 12:34 AM
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slidingIS
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i wish somebody had one or knew where one was located. It would be great
Old 07-28-10, 10:49 PM
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Originally Posted by slidingIS
i wish somebody had one or knew where one was located. It would be great
ill keep my eyes open for ya man
Old 07-28-10, 10:52 PM
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Originally Posted by rvalero
mine has the same code too 03 is300 5 speed mt


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